[PATCH] Move VFP4 predicate inside UseFusedMAC

[Tim Northover]

> Shouldn't UseFusedMAC still check for VFP4 inside its
> predicate, rather than relying on the instruction to include HasVF4 inside
> it's predicate checks? Just to ensure safety and be in line with the
> DontUseFusedMAC? Or am I missing something else?

I think that sounds like a good idea, particularly making the two
predicates complimentary. I'd be very surprised if I found out they
weren't.

Cheers.

Tim.